The FreeMax FGCC Ceramic Replacement Coil is the first ceramic coil head in a sub ohm tank in the world. With food grade cearmic added into this coil head, the taste will be much purer, also the life cycle of the coil will be much longer than the normal Kanthal, Nichrome or Ni200 wire coils. Moreover, it can compatible with Scylla Tank, Starre Pro Tank and Starre Tank.